private void GetGeometry()
{
if (fields[Geometry] == "gml:PointPropertyType")
{
typeGeometry = DotSpatial.Topology.FeatureType.Point;
}
if (fields[Geometry] == "gml:MultiSurfacePropertyType")
{
typeGeometry = DotSpatial.Topology.FeatureType.Polygon;
}
if (fields[Geometry] == "gml:MultiLineStringPropertyType")
{
typeGeometry = DotSpatial.Topology.FeatureType.Line;
}
}
/// <summary>
/// Mapping of DotSpatial topology types to WKB geometry types as used by OGR
/// </summary>
/// <param name="pFeatureType">A DotSpatial feature type</param>
/// <returns>A WKB geometry type as defined by OGR</returns>
public static wkbGeometryType DSGeomTypeToOgrGeomType(DotSpatial.Topology.FeatureType pFeatureType)
{
switch (pFeatureType)
{
case DotSpatial.Topology.FeatureType.Point:
return(wkbGeometryType.wkbPoint);
case DotSpatial.Topology.FeatureType.Line:
return(wkbGeometryType.wkbLineString);
case DotSpatial.Topology.FeatureType.Polygon:
return(wkbGeometryType.wkbPolygon);
default:
return(wkbGeometryType.wkbNone);
}
}
private XPathNodeIterator CreateFields(XPathNavigator nav, DotSpatial.Topology.FeatureType type)
{
string exp = @"/wfs:FeatureCollection/child::*[name() = 'gml:featureMember' or name() = 'gml:featureMembers']/child::*";
XPathNodeIterator iterator = nav.Select(exp, _nsmgr);
fea = new FeatureSet(type);
if (iterator.Count > 0)
{
foreach (string fieldName in fields.Keys)
{
if (fieldName != Geometry)
{
fea.DataTable.Columns.Add(new DataColumn(fieldName, GetType(fieldName)));
}
}
}
return(iterator);
}
private void GetGeometry()
{
if (fields[Geometry] == "gml:PointPropertyType")
typeGeometry = DotSpatial.Topology.FeatureType.Point;
if (fields[Geometry] == "gml:MultiSurfacePropertyType")
typeGeometry = DotSpatial.Topology.FeatureType.Polygon;
if (fields[Geometry] == "gml:MultiLineStringPropertyType")
typeGeometry = DotSpatial.Topology.FeatureType.Line;
}
private bool TryCreateFeatureSet(string pathToFile, DotSpatial.Topology.FeatureType type, out DotSpatial.Data.FeatureSet set)
{
char[] splitChars = new char[] { ' ', '\t' };
set = new FeatureSet(type);
if (!File.Exists(pathToFile))
{
return(false);
}
StreamReader sr = null;
try
{
sr = new StreamReader(pathToFile);
List <Coordinate> coords = new List <Coordinate>();
string line = "";
while ((line = sr.ReadLine()) != null)
{
if (line.StartsWith("RMTEXT"))
{
continue;
}
string[] parts = line.Split(splitChars, StringSplitOptions.RemoveEmptyEntries);
if (parts.Length < 2)
{
continue;
}
double x;
if (!double.TryParse(parts[0], out x))
{
continue;
}
double y;
if (!double.TryParse(parts[1], out y))
{
continue;
}
coords.Add(new Coordinate(x, y));
}
set.AddFeature(new LineString(coords));
return(true);
}
catch
{
return(false);
}
finally
{
if (sr != null)
{
sr.Close();
}
}
}
